Testing consisted of full battery discharge during video playback. All settings were default except: Wi-Fi was associated with a network. Battery life varies significantly with settings, usage and other factors.

2 System software uses significant storage space. Available storage is subject to change based on system software updates and apps usage. 1 GB= 1 billion bytes. See Surface.com/Storage for more details.

3 Fanless cooling system included with Surface Pro m3 and i5 models only.

4 Available colors vary in some markets.

5 Cortana is available in select global markets; experience may vary by region and device.

6 Surface Pen tilt functionality is available now with Surface Pro. Available with other Surface devices via Windows Update.